-1, 

 o, 



Mi;. R. V. SOUTHWELL ON THE GENERAL THEORY OF ELASTIC STABILITY. 219 



A T' T 1 



AT, 



P(m-2)A, 



-4 A 



m-2 " 2 



u /3m- 



3m-4 , A\ 



^2- + T/ 1 ' 



3 p/3m J ,4A\ 

 \m 2 2/ 



A 



"F 



-1, 



.l+(m-2)A, 



2 + A, 

 -(2 + A), 



2 + A, 



-( 



"i 



m-2 

 m 1 



-2 



1+ y +2 - 2 



<, j , 



-( 



i+v+ 2 - I* 1 '- 



2 m 2 



m 1 

 'm-2' 



0, 

 0, 



-tf 



A<r, 

 0, 

 0, 



0, 



m-2 

 2 



m A N 



0, 

 i- ACT, 



0, 

 0, 



o, 



2 

 1+A, 



o, 



o, 



_^/_^_ A ), 

 \m-2 27 



5m-4 A 



"i 



-* 1 + = 



2 m-2 



0, 

 0, 



o, 

 o, 



A(l+<r)|, 0, 



o, 



0, 



o, 

 o, 



m 

 0, 



'+* 



i-\ 



o, 

 o, 

 i-*A(r 



AO-, 

 0, 



+-; . 



-2 *' 



0, 



_A ( , 



m-2 4 

 0, 



o, 



' 



0, 



0, 

 0, 



o, 



0, 

 0, 

 0, 



0, 

 0, 

 0, 

 0, 



2 F 2 



